Coil and pneumatic spring assembly
US4029021A · kind A · utility
3Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 24, 1975 |
| Grant date | Jun 14, 1977 |
| Priority date | — |
| Expiry date | Dec 24, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F5/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railway car suspension which includes a coil and pneumatic spring arrangement wherein the pneumatic spring means is disposed lowermost on a truck frame to absorb vertical jolts and absorption of lateral loads, together with stabilizing means between the upper end of the pneumatic spring means and the spring supporting body; and in which the coil spring means is disposed uppermost and arranged to take full loading in case of failure of the pneumatic spring means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.